.contact_form {
    width: 70%;
    margin: 0 auto;
}

ul {
    width: 750px;
    list-style: none;
    margin: 0;
    padding: 0;
}

li {
    padding: 12px;
    border-bottom: 1px solid #eee;
}

li:first-child,
li:last-child {
    border-bottom: 2px solid #777;
}

span {
    width: 150px;
    display: inline-block;
}

.usually input {
    width: 220px;
    height: 20px;
    padding: 5px 8px;
    border: 1px solid;
}

textarea {
    width: 300px;
    padding: 8px;
}

.usually input,
textarea {
    background: url("../images/attention.png") no-repeat 98% center;
    box-shadow: 0 10px 15px #666262 inset;
    border-radius: 2px;
}

.usually input:focus {
    background: #80e6f8;
}

.usually input:focus:invalid,
textarea:focus:invalid {
    background: url("../images/warn.png") no-repeat 98% center;
    box-shadow: 0 0 5px #e62525;
}

.usually input:focus:valid,
textarea:focus:valid {
    background: url("../images/right.png") no-repeat 98% center;
    box-shadow: 0 0 5px #3ce625;
}

input[type=submit] {
    margin-left: 126px;
    background-color: #189208;
    border-radius: 3px;
    color: white;
    padding: 6px 20px;
    text-align: center;
}

input[type=submit]:hover {
    opacity: 0.6;
    cursor: pointer;
}